Apparently her brother-in-law from the countryside is coming over for a get-together. She thinks she's been keeping a good distance from her brother-in-law. Hikari was preparing dinner for her husband and brother-in-law, who had been out a while ago, when she was shocked to see her brother-in-law after he got out of the bath. He was in just his underwear. His bulge was obviously big. Hikari had to take a double look. It's not that she wasn't satisfied with what she had done with her husband, but she was instantly captivated by his Kokoro, which was so much bigger than her husband's. Even while eating, Hikari couldn't help but follow it with her eyes, and she secretly had dirty fantasies...